n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 21 |
3 | 81 |
4 | 293 |
5 | 1237 |
6 | 5685 |
7 | 26093 |
8 | 108421 |
9 | 432245 |
10 | 1706365 |
11 | 6761333 |
12 | 26898301 |
13 | 107280245 |
14 | 428476285 |
15 | 1712596853 |
[1,5,21,81,293,1237,5685,26093,108421,432245, 1706365,6761333,26898301,107280245,428476285, 1712596853] |